package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.PermissionDao;
import com.itheima.dao.RoleDao;
import com.itheima.dao.UserDao;
import com.itheima.pojo.Permission;
import com.itheima.pojo.Role;
import com.itheima.pojo.User;
import com.itheima.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.Set;

/**
 * @author Administrator
 * @version v1.0
 * @date 2019/10/16 18:42
 * @description TODO
 **/
@Service(interfaceClass = UserService.class)
@Transactional
public class UserServiceImpl implements UserService {


    @Autowired
    private UserDao userDao;

    @Autowired   //角色
    private RoleDao roleDao;

    @Autowired   //权限
    private PermissionDao permissionDao;

    @Override
    public User findByUsername(String username) {
        User user =userDao.findByUsername(username);
        if (user == null) {
            return null;
        }

        Set<Role> roles=roleDao.findByUserId(user.getId());

        if (roles != null && roles.size() > 0) {
            for (Role role : roles) {
                Set<Permission> permissions=permissionDao.findByRoleId(role.getId());
                if (permissions != null && permissions.size() > 0) {
                    role.setPermissions(permissions);
                }
            }
        }
        user.setRoles(roles);
        return user;


    }
}